1.

Find zeros of x square + 4x

Answer»

Answer:

The zeroes of the polynomial are 0 and -4.

Given:

  • f(x)=x²+4x

To find:

  • The zeroes of the polynomial.

Solution:

>> f(x)=x²+4x

>> x²+4x=0

>> x(x+4)=0

>> x=0 or x+4=0

>> x=0 or x=-4

The zeroes of the polynomial are 0 and -4.

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Extra INFORMATION:

Relationship between zeroes and coefficients

  • SUM of zeroes = -b/a

  • Product of zeroes = c/a


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